Gupta, G.S. <br/><br/>
Economics 
Paul Anthony Samuelson, William D. Nordhans. 
 - 16th ed. 
 - New Delhi  Tata McGrawHill Publishing Company  [n.d.] 
 - xxxvii, 781p., ill.; 26cm. 
<br/><br/><label>ISBN: </label>0-07-057947-4. 
<br/><br/><label>Dewey Class. No.: </label>330  / S13E